code: def __init__(self, obs_space, act_space):
      super(MujocoModel, self).__init__()
  
      self.fc1 = _init_layer(nn.Linear(obs_space.shape[0], 64))
      self.fc2 = _init_layer(nn.Linear(64, 64))
  
      self.fc_value = _init_layer(nn.Linear(64, 1), std=1.0)
  
      self.fc_policy = _init_layer(
          nn.Linear(64, np.prod(act_space.shape)), std=0.01
      )
      self.fc_pi_std = nn.Parameter(torch.zeros(1, act_space.shape[0]))
  
file_path: PARL/benchmark/torch/ppo/mujoco_model.py
imports: import parl
  import torch
  import torch.nn
  import numpy
label_desc: Use image node_id 1 to create a new MujocoModel object from inherited base classes: parl with example: obj = MujocoModel(obs_space, act_space)